US2953875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry honing device
Assignee: Individual
•
Filing: 1957-12-03
•
Granted: 1960-09-27
•
Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 William H Mead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:20
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0046; B24C7/0053; B01; B01J; B01J8/00; B01J8/0015; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18; B65G53/22; B01J2219/00; B01J2219/19; B01J2219/194; B01J2219/1941; B01J2219/1946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2667015A
Cited
US2770924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |